Mathematics, 05.11.2019 04:31 natasniebow
When 193 randomly selected workers aged 18-25 were asked how many hours they worked in the previous week, the mean was 37.76 with a standard deviation of 13.56. does this suggest that the population mean work week for this age group differs from 40 hours? answer by completing parts a through d. consider the sample size to be large enough to satisfy the normality assumption.
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